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30                                      FLORA JNPICA.                    [JRanunculacea.
The ladian forms, so far as hitherto observed, belong to the state called Panto-
thrix, in which the leaves are all submerged and divided into capillary segments, but
' not so much elongated as in & peucedanifolius, All., which Schlechtendal considers
the only distinct species. This plant is not very common in India, lakes and tran-
quilly flowing streams being of rare occurrence in the exterior Himalaya, though fre-
quent in tide inner parts of the chain and in Tibet, where, accordingly, our plant is very
generally diffused. In the plains it is confined to the extreme north, where it will
probably be found skirting the base of the Himalaya in all parts of the Panjab. It is
usual to divide this species into several, characterized by the absence or presence of
the rertifonn leaves, and by variations in the size and shape of the multifid ones, as
well as by the hairiness or smoothness of the plant and carpels; but we quite agree
with Seringe, that all these forms are states of one very variable species, to which
we are quite willing, with that very accurate observer, to unite Jffi. hederacews and
R. tripartite.
Sect. 2, HECATONIA, DC.—Carpella laevia vel minute punctulata.
Ilores (iu Indicis) flavi.
§ 1. Folia (radicalia saltern) indivisa (in 0. pulchello interdum tri-
2.  R. Lingua (L. Sp. 773); foliis'basi semiamplexicaulibus Inn*
ceolatis, floribus magnis 5-petalis.—BO. Syst. i. 2463 Prod. i. 32;
Hook. H. Zond. t. 171; ledeb. II. Eoss. i. SI; Torrey d Gray, JL N.
Am. i. 16.
HAB. In aquosis Kashmir, Jaequemonti—(t?. 8.)
D'ISTRIB. Europa; Asia tempj America temp.!
Herba erecta, 2-4-pedalis, perennis, glabra vel adpresse pnbescens. Folia line*
ari-knceolata, 4-8 poll, longa, nervosa, integra vel remote denticulate,' inferiora la-
mina abortiva ad vaginas ampleiicaules reducta. Flores diam. bipollicares. Sepala
orbicularia, margine membrauacea, pubemla. Achenia subcompressa, glabra, rostro
3.  R. reniformis (Wall. Cat. 4709!); caule erecto, toliis late
ovatis orbicularibusve basi cordatis vel truncatis grosse dentatis, petalis
IB-IS obovatis.—JT. et A. Prod. i. 3; WlgU! III. i. 5. t. 2, Ic. t. 75.
HAB. In montibus Peninsulas australis altioribus!—(t>. *.)
Herba erecta, spithanuca vel 1-^pedalis, ramosa, pluriflora, pOis' laxis parce se-
tosa. Ehizoma horizontale. Folia radicalia, crassa, sparse setosa vel glabra, forma
varia* obtusa, diamctro 1-3-poHicaria. Folia caulina paaca, infimum lanccolatum
serratnm in petiolum attenuatum,, superiora lineaiia minuta. floret diametro fere
nnciales. Achenia in cupitulum globosum coUecta, ovali-oblonga, tumida, stylo recto,
abrupte apiculata.                                    *
4.  R. sagittifolitui (HooL Ic. Plant. 1.173!); caule erecto, Mis
oblongls cordate-sagittatia crenatis, petalis 5 fere orbicularibua.—B.
hastatus, JPalker, ex WigU,
HAB, In Zeylania montibus, alt. 6-8000 ped., WaOceft Gardner/
' fferba e rhizomate horizontali erecta, 1-2-pedalis. Cavli* glaber, guperne pani-
culatus. fetioU laxe pOosi. Folia radicalia 1-3 uncias longa, ^-1* lata, obtusa
(rariusvc acuta), sagittata, auriculis rotundatis; caxlina, oblonga linceoktave, incUo-
serrata vel pinnatifida; tuprema lineari^Uonga. Flwu dianL pollicares. Achtni*
Chiefly distinguished from the last by the number of petals, for the leaves are pro-